Home / 814,151.94-1,123,664.22-451,692.57

Finding the Fourth Proportional to 814,151.94, 1,123,664.22 and 451,692.57

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Solution

The fourth proportional to 814,151.94, 1,123,664.22 and 451,692.57 is: 623,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,151.94 : 1,123,664.22 = 451,692.57 : x
  2. Step 2: Convert to fraction form
    814,151.94/1,123,664.22 = 451,692.57/x
  3. Step 3: Cross multiply
    814,151.94x = 1,123,664.22 × 451,692.57
  4. Step 4: Simplify right side
    814,151.94x = 507,550,779,348.85
  5. Step 5: Solve for x
    x = 507,550,779,348.85/814,151.94
  6. Step 6: Final answer
    x = 623,410.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.